55126267240 has 64 divisors (see below), whose sum is σ = 135399288960. Its totient is φ = 20032677120.

The previous prime is 55126267199. The next prime is 55126267271. The reversal of 55126267240 is 4276262155.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 55126267193 and 55126267202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638322 + ... + 719518.

It is an arithmetic number, because the mean of its divisors is an integer number (2115613890).

Almost surely, 2^55126267240 is an apocalyptic number.

It is an amenable number.

55126267240 is an abundant number, since it is smaller than the sum of its proper divisors (80273021720).

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

55126267240 is a wasteful number, since it uses less digits than its factorization.

55126267240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82762 (or 82758 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 55126267240 in words is "fifty-five billion, one hundred twenty-six million, two hundred sixty-seven thousand, two hundred forty".