55892340 has 108 divisors (see below), whose sum is σ = 197251236. Its totient is φ = 12773376.

The previous prime is 55892327. The next prime is 55892341. The reversal of 55892340 is 4329855.

It can be written as a sum of positive squares in 2 ways, for example, as 19820304 + 36072036 = 4452^2 + 6006^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 55892295 and 55892304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55892341) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5652 + ... + 11988.

Almost surely, 2^55892340 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 55892340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98625618).

55892340 is an abundant number, since it is smaller than the sum of its proper divisors (141358896).

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

55892340 is a wasteful number, since it uses less digits than its factorization.

55892340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366 (or 6354 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55892340 is about 7476.1179765972. The cubic root of 55892340 is about 382.3409052575.

The spelling of 55892340 in words is "fifty-five million, eight hundred ninety-two thousand, three hundred forty".