55437401 has 2 divisors, whose sum is σ = 55437402. Its totient is φ = 55437400.

The previous prime is 55437379. The next prime is 55437407. The reversal of 55437401 is 10473455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 14784025 = 6376^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 55437401 - 2¹⁰ = 55436377 is a prime.

It is not a weakly prime, because it can be changed into another prime (55437407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27718700 + 27718701.

It is an arithmetic number, because the mean of its divisors is an integer number (27718701).

Almost surely, 2^55437401 is an apocalyptic number.

It is an amenable number.

55437401 is a deficient number, since it is larger than the sum of its proper divisors (1).

55437401 is an equidigital number, since it uses as much as digits as its factorization.

55437401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55437401 is about 7445.6296577254. The cubic root of 55437401 is about 381.3007157830.

The spelling of 55437401 in words is "fifty-five million, four hundred thirty-seven thousand, four hundred one".