55970460 has 384 divisors, whose sum is σ = 230307840. Its totient is φ = 10948608.

The previous prime is 55970459. The next prime is 55970461. The reversal of 55970460 is 6407955.

55970460 is a `hidden beast` number, since 5 + 597 + 0 + 4 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (55970459) and next prime (55970461).

It is a super-2 number, since 2×55970460² = 6265384785223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55970461) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 835347 + ... + 835413.

It is an arithmetic number, because the mean of its divisors is an integer number (599760).

Almost surely, 2^55970460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55970460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115153920).

55970460 is an abundant number, since it is smaller than the sum of its proper divisors (174337380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55970460 is a wasteful number, since it uses less digits than its factorization.

55970460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 55970460 is about 7481.3407889228. The cubic root of 55970460 is about 382.5189533092.

The spelling of 55970460 in words is "fifty-five million, nine hundred seventy thousand, four hundred sixty".