55747270 has 16 divisors (see below), whose sum is σ = 100444608. Its totient is φ = 22276800.

The previous prime is 55747259. The next prime is 55747277. The reversal of 55747270 is 7274755.

It is a super-2 number, since 2×55747270² = 6215516224905800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55747277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11170 + ... + 15370.

It is an arithmetic number, because the mean of its divisors is an integer number (6277788).

Almost surely, 2^55747270 is an apocalyptic number.

55747270 is a deficient number, since it is larger than the sum of its proper divisors (44697338).

55747270 is a wasteful number, since it uses less digits than its factorization.

55747270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 55747270 is about 7466.4094449742. The cubic root of 55747270 is about 382.0098267805.

The spelling of 55747270 in words is "fifty-five million, seven hundred forty-seven thousand, two hundred seventy".